rdma:properly handle iobuf_pool when rdma transport is unloaded

         Back port of : http://review.gluster.org/9854

We are registering iobuf_pool with rdma. When rdma transport is
unloaded, we need to deregister all the buffers registered with
rdma. Otherwise iobuf_arena destroy will fail.

Also if rdma.so is loaded again, then register iobuf_pool with
rdma

Change-Id: Ic197721a44ba11dce41e03058e0a73901248c541
BUG: 1218653
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
Reviewed-on: http://review.gluster.org/9854
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-on: http://review.gluster.org/10585
Tested-by: NetBSD Build System
Reviewed-by: Vijay Bellur <vbellur@redhat.com>

0 files changed, 0 insertions, 0 deletions